docs: def phaser(self,
                 gain_in=0.9,
                 gain_out=0.8,
                 delay=1,
                 decay=0.25,
                 speed=2,
                 triangular=False):
          """phaser takes 6 parameters: input gain (max 1.0), output gain (max
          1.0), delay, decay, speed and LFO shape=trianglar (which must be set to
          True or False)"""
          self.command.append("phaser")
          self.command.append(gain_in)
          self.command.append(gain_out)
          self.command.append(delay)
          self.command.append(decay)
          self.command.append(speed)
          if triangular:
              self.command.append('-t')
          else:
              self.command.append('-s')
          return self